/*
 * Copyright (c) 2007-2008, Thomas Krause (tho.krause@gmail.com)
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *     * Neither the name of gidoo nor the names of its contributors may be used to
 *       endorse or promote products derived from this software without specific
 *       prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.gidoo.wickettools.xmledit.nodes;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import javax.xml.namespace.QName;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.Model;
import org.apache.xmlbeans.SchemaGlobalElement;
import org.apache.xmlbeans.SchemaLocalAttribute;
import org.apache.xmlbeans.SchemaTypeLoader;
import org.jdom.Element;

/**
 * This panel is used to let the user manipulate the attributes of an element.
 * @author <a href="tho.krause@gmail.com">Thomas Krause</a>
 */
public class AttributePanel extends Panel
{
  private Form form;
  private AttributeListView lsvAttributes;
  private ArrayList<String> attNames;
  
  public AttributePanel(String wicketId, Element element, SchemaTypeLoader schemaLoader)
  {
    super(wicketId);  

    
    if(element == null)
    {
      throw(new IllegalArgumentException("element was null"));
    }
    
    if(schemaLoader == null)
    {
      throw(new IllegalArgumentException("schemaLoader was null"));
    }
    
    form = new Form("form");
    
    
    lsvAttributes = new AttributeListView("lsvAttributes");
    
    SchemaGlobalElement e =  schemaLoader.findElement(
        new QName(element.getName()));
    
    SchemaLocalAttribute[] attributeModel;
    if(e == null)
    {
      attributeModel = new SchemaLocalAttribute[] {};
    }
    else
    {
      attributeModel =e.getType().getAttributeModel().getAttributes();
    }
    
    attNames = new ArrayList<String>(attributeModel.length);
    for(SchemaLocalAttribute a : attributeModel)
    {
      attNames.add(a.getName().getLocalPart());
    }
    
    lsvAttributes.setList(attNames);
    
    
    form.add(lsvAttributes);
    add(form);
  }
  
  protected class AttributeListView extends ListView
  {
    
    public AttributeListView(String wicketId)
    {
      super(wicketId);
    }
    
    @Override
    protected void populateItem(ListItem item)
    {
      item.add(new Label("lblName", 
        new Model(attNames.get(item.getIndex()))));
       
    }
    
  }
  
}
